[SPARK-18001][DOCUMENT] fix broke link to SparkDataFrame
[SPARK-18001][DOCUMENT] fix broke link to SparkDataFrame

## What changes were proposed in this pull request?

In http://spark.apache.org/docs/latest/sql-programming-guide.html, Section "Untyped Dataset Operations (aka DataFrame Operations)"

Link to R DataFrame doesn't work that return
The requested URL /docs/latest/api/R/DataFrame.html was not found on this server.

Correct link is SparkDataFrame.html for spark 2.0

## How was this patch tested?

Manual checked.

Author: Tommy YU <tummyyu@163.com>

Closes #15543 from Wenpei/spark-18001.

kiszk/spark,byakuinss/spark,shaneknapp/spark,apache/spark,hhbyyh/spark,cloud-fan/spark,pgandhi999/spark,ueshin/apache-spark,maropu/spark,ueshin/apache-spark,chuckchen/spark,map222/spark,kevinyu98/spark,mahak/spark,chuckchen/spark,holdenk/spark,Aegeaner/spark,saturday-shi/spark,facaiy/spark,kimoonkim/spark,caneGuy/spark,sahilTakiar/spark,HyukjinKwon/spark,ioana-delaney/spark,vinodkc/spark,map222/spark,dbtsai/spark,zhouyejoe/spark,vinodkc/spark,eyalfa/spark,stanzhai/spark,dhruve/spark,spark-test/spark,narahari92/spark,bravo-zhang/spark,narahari92/spark,ptkool/spark,milliman/spark,rekhajoshm/spark,rikima/spark,Aegeaner/spark,kevinyu98/spark,JerryLead/spark,zero323/spark,map222/spark,mahak/spark,mzl9039/spark,milliman/spark,ibm-research-ireland/sparkoscope,spark-test/spark,mike0sv/spark,skonto/spark,kiszk/spark,big-pegasus/spark,ConeyLiu/spark,jkbradley/spark,icexelloss/spark,shaneknapp/spark,map222/spark,aray/spark,lvdongr/spark,alunarbeach/spark,bdrillard/spark,rednaxelafx/apache-spark,actuaryzhang/spark,poffuomo/spark,aokolnychyi/spark,akopich/spark,dbtsai/spark,pgandhi999/spark,rekhajoshm/spark,rikima/spark,tengpeng/spark,zhouyejoe/spark,ahnqirage/spark,akopich/spark,michalsenkyr/spark,bravo-zhang/spark,wzhfy/spark,saltstar/spark,bravo-zhang/spark,hhbyyh/spark,janewangfb/spark,UndeadBaneGitHub/spark,akopich/spark,HyukjinKwon/spark,icexelloss/spark,shubhamchopra/spark,ericvandenbergfb/spark,stanzhai/spark,michalsenkyr/spark,ptkool/spark,SHASHANKB/spark,someorz/spark,jianran/spark,someorz/spark,dbtsai/spark,jiangxb1987/spark,jlopezmalla/spark,ConeyLiu/spark,joseph-torres/spark,ajaysaini725/spark,narahari92/spark,adrian-ionescu/apache-spark,srowen/spark,JerryLead/spark,rednaxelafx/apache-spark,WeichenXu123/spark,nilsgrabbert/spark,1haodian/spark,eyalfa/spark,ahnqirage/spark,shuangshuangwang/spark,witgo/spark,metamx/spark,techaddict/spark,jiangxb1987/spark,maropu/spark,saltstar/spark,SnappyDataInc/spark,poffuomo/spark,facaiy/spark,byakuinss/spark,publicRoman/spark,big-pegasus/spark,wangyum/spark,highfei2011/spark,rezasafi/spark,UndeadBaneGitHub/spark,icexelloss/spark,bravo-zhang/spark,saltstar/spark,andrewor14/spark,big-pegasus/spark,wangyum/spark,liutang123/spark,huang1900/spark,wangmiao1981/spark,ajaysaini725/spark,aray/spark,witgo/spark,someorz/spark,witgo/spark,guoxiaolongzte/spark,zzcclp/spark,chuckchen/spark,setjet/spark,esi-mineset/spark,cloud-fan/spark,hvanhovell/spark,adrian-ionescu/apache-spark,UndeadBaneGitHub/spark,goldmedal/spark,gengliangwang/spark,szhem/spark,brad-kaiser/spark,ajaysaini725/spark,zero323/spark,publicRoman/spark,icexelloss/spark,maropu/spark,guoxiaolongzte/spark,jianran/spark,dongjoon-hyun/spark,setjet/spark,janewangfb/spark,byakuinss/spark,wangyum/spark,sureshthalamati/spark,ron8hu/spark,setjet/spark,aokolnychyi/spark,michalsenkyr/spark,janewangfb/spark,guoxiaolongzte/spark,saltstar/spark,dhruve/spark,huang1900/spark,skonto/spark,mike0sv/spark,yanboliang/spark,SHASHANKB/spark,milliman/spark,lvdongr/spark,tejasapatil/spark,cin/spark,caneGuy/spark,adrian-ionescu/apache-spark,jianran/spark,mzl9039/spark,joseph-torres/spark,zhouyejoe/spark,darionyaphet/spark,panfengfeng/spark,witgo/spark,kevinyu98/spark,adrian-ionescu/apache-spark,actuaryzhang/spark,ericvandenbergfb/spark,wzhfy/spark,BryanCutler/spark,MLnick/spark,shubhamchopra/spark,sachintyagi22/spark,markhamstra/spark,xflin/spark,ron8hu/spark,sahilTakiar/spark,loneknightpy/spark,markhamstra/spark,ioana-delaney/spark,maropu/spark,LantaoJin/spark,jrshust/spark,ahnqirage/spark,cin/spark,panfengfeng/spark,xflin/spark,caneGuy/spark,sachintyagi22/spark,tejasapatil/spark,markhamstra/spark,1haodian/spark,ioana-delaney/spark,narahari92/spark,BryanCutler/spark,minixalpha/spark,publicRoman/spark,janewangfb/spark,hhbyyh/spark,shubhamchopra/spark,SnappyDataInc/spark,sahilTakiar/spark,aokolnychyi/spark,brad-kaiser/spark,ddna1021/spark,darionyaphet/spark,LantaoJin/spark,bravo-zhang/spark,minixalpha/spark,techaddict/spark,srowen/spark,sureshthalamati/spark,Aegeaner/spark,JoshRosen/spark,hhbyyh/spark,brad-kaiser/spark,facaiy/spark,lvdongr/spark,goldmedal/spark,kimoonkim/spark,taroplus/spark,rekhajoshm/spark,xuanyuanking/spark,cin/spark,ajaysaini725/spark,SHASHANKB/spark,ueshin/apache-spark,hvanhovell/spark,sachintyagi22/spark,wzhfy/spark,stanzhai/spark,jkbradley/spark,bOOm-X/spark,alunarbeach/spark,dongjoon-hyun/spark,sahilTakiar/spark,loneknightpy/spark,SHASHANKB/spark,ConeyLiu/spark,hvanhovell/spark,kimoonkim/spark,jrshust/spark,mike0sv/spark,mdespriee/spark,bdrillard/spark,mahak/spark,gengliangwang/spark,zzcclp/spark,narahari92/spark,srowen/spark,jrshust/spark,nilsgrabbert/spark,JoshRosen/spark,apache-spark-on-k8s/spark,techaddict/spark,patrick-nicholson/spark,1haodian/spark,vinodkc/spark,LantaoJin/spark,ptkool/spark,dhruve/spark,bdrillard/spark,aosagie/spark,Panos-Bletsos/spark-cost-model-optimizer,mike0sv/spark,alunarbeach/spark,sureshthalamati/spark,dongjoon-hyun/spark,ajaysaini725/spark,aosagie/spark,ueshin/apache-spark,loneknightpy/spark,ddna1021/spark,mdespriee/spark,highfei2011/spark,michalsenkyr/spark,rednaxelafx/apache-spark,brad-kaiser/spark,wangyum/spark,publicRoman/spark,witgo/spark,lxsmnv/spark,adrian-ionescu/apache-spark,eyalfa/spark,witgo/spark,MLnick/spark,wzhfy/spark,Aegeaner/spark,jkbradley/spark,mahak/spark,apache-spark-on-k8s/spark,big-pegasus/spark,shubhamchopra/spark,Aegeaner/spark,joseph-torres/spark,HyukjinKwon/spark,zuotingbing/spark,chuckchen/spark,rekhajoshm/spark,ConeyLiu/spark,liyichao/spark,publicRoman/spark,jrshust/spark,yanboliang/spark,loneknightpy/spark,zhouyejoe/spark,UndeadBaneGitHub/spark,highfei2011/spark,alunarbeach/spark,byakuinss/spark,patrick-nicholson/spark,chuckchen/spark,maropu/spark,cin/spark,zero323/spark,jiangxb1987/spark,shaneknapp/spark,Panos-Bletsos/spark-cost-model-optimizer,ddna1021/spark,ioana-delaney/spark,ibm-research-ireland/sparkoscope,narahari92/spark,cloud-fan/spark,jlopezmalla/spark,szhem/spark,LantaoJin/spark,skonto/spark,taroplus/spark,WeichenXu123/spark,ibm-research-ireland/sparkoscope,jkbradley/spark,HyukjinKwon/spark,WeichenXu123/spark,map222/spark,cloud-fan/spark,xuanyuanking/spark,nchammas/spark,minixalpha/spark,holdenk/spark,metamx/spark,shaneknapp/spark,bOOm-X/spark,kevinyu98/spark,WindCanDie/spark,debugger87/spark,skonto/spark,saturday-shi/spark,goldmedal/spark,markhamstra/spark,zzcclp/spark,narahari92/spark,aokolnychyi/spark,kimoonkim/spark,JoshRosen/spark,caneGuy/spark,milliman/spark,shuangshuangwang/spark,aray/spark,mahak/spark,aray/spark,shubhamchopra/spark,icexelloss/spark,shuangshuangwang/spark,MLnick/spark,maropu/spark,ericvandenbergfb/spark,1haodian/spark,Panos-Bletsos/spark-cost-model-optimizer,metamx/spark,ueshin/apache-spark,bdrillard/spark,esi-mineset/spark,SnappyDataInc/spark,ahnqirage/spark,patrick-nicholson/spark,poffuomo/spark,zero323/spark,nilsgrabbert/spark,liyichao/spark,actuaryzhang/spark,rezasafi/spark,zhouyejoe/spark,dbtsai/spark,adrian-ionescu/apache-spark,akopich/spark,dongjoon-hyun/spark,alunarbeach/spark,dongjoon-hyun/spark,ron8hu/spark,WindCanDie/spark,wzhfy/spark,LantaoJin/spark,bravo-zhang/spark,spark-test/spark,dbtsai/spark,andrewor14/spark,jlopezmalla/spark,sureshthalamati/spark,rezasafi/spark,aokolnychyi/spark,srowen/spark,minixalpha/spark,skonto/spark,WindCanDie/spark,wzhfy/spark,goldmedal/spark,cloud-fan/spark,Panos-Bletsos/spark-cost-model-optimizer,andrewor14/spark,ahnqirage/spark,stanzhai/spark,zero323/spark,kimoonkim/spark,aosagie/spark,kissmetrics/spark,alunarbeach/spark,mike0sv/spark,kissmetrics/spark,poffuomo/spark,zzcclp/spark,pgandhi999/spark,yanboliang/spark,jkbradley/spark,dhruve/spark,cin/spark,JoshRosen/spark,vinodkc/spark,jkbradley/spark,MLnick/spark,ajaysaini725/spark,janewangfb/spark,sahilTakiar/spark,stanzhai/spark,goldmedal/spark,saltstar/spark,LantaoJin/spark,saturday-shi/spark,goldmedal/spark,apache-spark-on-k8s/spark,publicRoman/spark,patrick-nicholson/spark,mdespriee/spark,rednaxelafx/apache-spark,mzl9039/spark,zzcclp/spark,highfei2011/spark,hvanhovell/spark,ibm-research-ireland/sparkoscope,vinodkc/spark,apache/spark,rekhajoshm/spark,holdenk/spark,publicRoman/spark,ptkool/spark,aray/spark,ericvandenbergfb/spark,WindCanDie/spark,sachintyagi22/spark,liyichao/spark,WeichenXu123/spark,ahnqirage/spark,xflin/spark,jianran/spark,byakuinss/spark,SnappyDataInc/spark,ibm-research-ireland/sparkoscope,rednaxelafx/apache-spark,facaiy/spark,lvdongr/spark,JerryLead/spark,dhruve/spark,matthewfranglen/spark,caneGuy/spark,caneGuy/spark,joseph-torres/spark,WindCanDie/spark,rednaxelafx/apache-spark,hvanhovell/spark,darionyaphet/spark,zzcclp/spark,rikima/spark,bOOm-X/spark,MLnick/spark,liyichao/spark,markhamstra/spark,JoshRosen/spark,patrick-nicholson/spark,someorz/spark,ioana-delaney/spark,nilsgrabbert/spark,hvanhovell/spark,UndeadBaneGitHub/spark,ron8hu/spark,sachintyagi22/spark,debugger87/spark,patrick-nicholson/spark,esi-mineset/spark,apache/spark,map222/spark,setjet/spark,hhbyyh/spark,nlalevee/spark,techaddict/spark,akopich/spark,mzl9039/spark,cin/spark,xuanyuanking/spark,rikima/spark,rekhajoshm/spark,jlopezmalla/spark,setjet/spark,holdenk/spark,huang1900/spark,skonto/spark,liyichao/spark,mahak/spark,kiszk/spark,WindCanDie/spark,hvanhovell/spark,mdespriee/spark,metamx/spark,nlalevee/spark,huang1900/spark,apache-spark-on-k8s/spark,ahnqirage/spark,jrshust/spark,pgandhi999/spark,xflin/spark,jlopezmalla/spark,guoxiaolongzte/spark,tejasapatil/spark,HyukjinKwon/spark,tengpeng/spark,szhem/spark,shaneknapp/spark,kiszk/spark,SnappyDataInc/spark,jianran/spark,facaiy/spark,andrewor14/spark,bdrillard/spark,nlalevee/spark,jiangxb1987/spark,zero323/spark,zhouyejoe/spark,wangyum/spark,yanboliang/spark,jiangxb1987/spark,1haodian/spark,WindCanDie/spark,mahak/spark,WeichenXu123/spark,jrshust/spark,jkbradley/spark,jlopezmalla/spark,guoxiaolongzte/spark,pgandhi999/spark,tengpeng/spark,gengliangwang/spark,markhamstra/spark,tejasapatil/spark,nchammas/spark,poffuomo/spark,joseph-torres/spark,someorz/spark,pgandhi999/spark,taroplus/spark,zzcclp/spark,xflin/spark,zuotingbing/spark,chuckchen/spark,jrshust/spark,ioana-delaney/spark,byakuinss/spark,kissmetrics/spark,cin/spark,darionyaphet/spark,lxsmnv/spark,WeichenXu123/spark,Aegeaner/spark,lxsmnv/spark,ioana-delaney/spark,vinodkc/spark,saturday-shi/spark,andrewor14/spark,gengliangwang/spark,LantaoJin/spark,joseph-torres/spark,rezasafi/spark,huang1900/spark,vinodkc/spark,spark-test/spark,lxsmnv/spark,kissmetrics/spark,loneknightpy/spark,jianran/spark,liyichao/spark,eyalfa/spark,rikima/spark,ConeyLiu/spark,mdespriee/spark,kevinyu98/spark,JerryLead/spark,akopich/spark,xflin/spark,dongjoon-hyun/spark,ericvandenbergfb/spark,MLnick/spark,taroplus/spark,eyalfa/spark,jiangxb1987/spark,tengpeng/spark,panfengfeng/spark,jlopezmalla/spark,mike0sv/spark,JoshRosen/spark,rezasafi/spark,wangyum/spark,loneknightpy/spark,wangmiao1981/spark,UndeadBaneGitHub/spark,skonto/spark,patrick-nicholson/spark,dhruve/spark,xuanyuanking/spark,michalsenkyr/spark,liutang123/spark,lvdongr/spark,panfengfeng/spark,nchammas/spark,wangmiao1981/spark,stanzhai/spark,saturday-shi/spark,big-pegasus/spark,liutang123/spark,spark-test/spark,nchammas/spark,facaiy/spark,lxsmnv/spark,tengpeng/spark,apache/spark,nilsgrabbert/spark,saltstar/spark,xflin/spark,michalsenkyr/spark,witgo/spark,sachintyagi22/spark,cloud-fan/spark,ptkool/spark,1haodian/spark,bOOm-X/spark,someorz/spark,jianran/spark,gengliangwang/spark,kissmetrics/spark,alunarbeach/spark,wzhfy/spark,metamx/spark,huang1900/spark,esi-mineset/spark,nlalevee/spark,milliman/spark,ericvandenbergfb/spark,actuaryzhang/spark,minixalpha/spark,szhem/spark,sachintyagi22/spark,ibm-research-ireland/sparkoscope,ptkool/spark,michalsenkyr/spark,nlalevee/spark,bravo-zhang/spark,ddna1021/spark,WeichenXu123/spark,apache-spark-on-k8s/spark,bOOm-X/spark,nlalevee/spark,szhem/spark,ron8hu/spark,minixalpha/spark,highfei2011/spark,lvdongr/spark,saturday-shi/spark,mzl9039/spark,nilsgrabbert/spark,esi-mineset/spark,zuotingbing/spark,joseph-torres/spark,eyalfa/spark,bdrillard/spark,lxsmnv/spark,ddna1021/spark,bOOm-X/spark,wangmiao1981/spark,mzl9039/spark,JerryLead/spark,UndeadBaneGitHub/spark,apache/spark,shuangshuangwang/spark,Aegeaner/spark,ptkool/spark,dongjoon-hyun/spark,JerryLead/spark,HyukjinKwon/spark,xuanyuanking/spark,adrian-ionescu/apache-spark,akopich/spark,liutang123/spark,srowen/spark,aray/spark,rikima/spark,holdenk/spark,ibm-research-ireland/sparkoscope,debugger87/spark,aosagie/spark,yanboliang/spark,ajaysaini725/spark,JerryLead/spark,ConeyLiu/spark,SHASHANKB/spark,debugger87/spark,zuotingbing/spark,maropu/spark,zuotingbing/spark,BryanCutler/spark,hhbyyh/spark,byakuinss/spark,mike0sv/spark,janewangfb/spark,BryanCutler/spark,kiszk/spark,tejasapatil/spark,BryanCutler/spark,JoshRosen/spark,caneGuy/spark,aray/spark,BryanCutler/spark,BryanCutler/spark,dhruve/spark,techaddict/spark,brad-kaiser/spark,andrewor14/spark,shubhamchopra/spark,shuangshuangwang/spark,actuaryzhang/spark,sureshthalamati/spark,setjet/spark,shubhamchopra/spark,MLnick/spark,hhbyyh/spark,rednaxelafx/apache-spark,esi-mineset/spark,gengliangwang/spark,markhamstra/spark,someorz/spark,aokolnychyi/spark,huang1900/spark,nchammas/spark,ron8hu/spark,aosagie/spark,srowen/spark,HyukjinKwon/spark,setjet/spark,wangmiao1981/spark,stanzhai/spark,guoxiaolongzte/spark,yanboliang/spark,taroplus/spark,zero323/spark,SHASHANKB/spark,1haodian/spark,gengliangwang/spark,lvdongr/spark,ddna1021/spark,poffuomo/spark,dbtsai/spark,spark-test/spark,aosagie/spark,debugger87/spark,wangyum/spark,holdenk/spark,andrewor14/spark,cloud-fan/spark,nilsgrabbert/spark,sahilTakiar/spark,highfei2011/spark,zhouyejoe/spark,szhem/spark,saturday-shi/spark,actuaryzhang/spark,eyalfa/spark,kevinyu98/spark,pgandhi999/spark,srowen/spark,liutang123/spark,tengpeng/spark,apache-spark-on-k8s/spark,metamx/spark,rezasafi/spark,shuangshuangwang/spark,taroplus/spark,zuotingbing/spark,taroplus/spark,big-pegasus/spark,kissmetrics/spark,icexelloss/spark,liutang123/spark,wangmiao1981/spark,milliman/spark,map222/spark,poffuomo/spark,xuanyuanking/spark,dbtsai/spark,big-pegasus/spark,debugger87/spark,techaddict/spark,yanboliang/spark,szhem/spark,rekhajoshm/spark,Panos-Bletsos/spark-cost-model-optimizer,tejasapatil/spark,nlalevee/spark,debugger87/spark,milliman/spark,ueshin/apache-spark,saltstar/spark,darionyaphet/spark,sureshthalamati/spark,panfengfeng/spark,aosagie/spark,apache-spark-on-k8s/spark,liyichao/spark,brad-kaiser/spark,metamx/spark,facaiy/spark,chuckchen/spark,ddna1021/spark,jiangxb1987/spark,Panos-Bletsos/spark-cost-model-optimizer,panfengfeng/spark,brad-kaiser/spark,shaneknapp/spark,aokolnychyi/spark,apache/spark,techaddict/spark,Panos-Bletsos/spark-cost-model-optimizer,holdenk/spark,lxsmnv/spark,kevinyu98/spark,tengpeng/spark,panfengfeng/spark,tejasapatil/spark,kiszk/spark,sureshthalamati/spark,nchammas/spark,bdrillard/spark,ron8hu/spark,kimoonkim/spark,SnappyDataInc/spark,rikima/spark,loneknightpy/spark,ericvandenbergfb/spark,icexelloss/spark,actuaryzhang/spark,ConeyLiu/spark,sahilTakiar/spark,guoxiaolongzte/spark,zuotingbing/spark,shaneknapp/spark,liutang123/spark,nchammas/spark,bOOm-X/spark,kimoonkim/spark,highfei2011/spark,mzl9039/spark,darionyaphet/spark,kiszk/spark,mdespriee/spark,goldmedal/spark,shuangshuangwang/spark,minixalpha/spark,janewangfb/spark,darionyaphet/spark,xuanyuanking/spark,spark-test/spark,esi-mineset/spark,SnappyDataInc/spark,mdespriee/spark,wangmiao1981/spark,SHASHANKB/spark,ueshin/apache-spark,kissmetrics/spark,apache/spark,rezasafi/spark